<script >
export default {
  name: "TodoMain",
  data(){
    return {
      activeId:""
    }
  },
  updated() {
    localStorage.setItem("taskList",JSON.stringify(this.$store.state.taskList))
  }
}
</script>

<template>
  <ul class="todo-main">
    <li @mouseenter="activeId=item.id" @mouseleave="activeId=''" v-for="item in $store.state.taskList" :key="item.id">
      <label>
        <input @change="$store.commit('UP_IS_CHECKED_BY_ID',item.id)" :checked="item.isChecked" type="checkbox"/>
        <span>{{item.title}}</span>
      </label>
      <button @click="$store.commit('DEL_TASK_BY_ID',item.id)" v-show="activeId===item.id" class="btn btn-danger" >删除</button>
    </li>
  </ul>
</template>

<style scoped >
.todo-main {
  margin-left: 0px;
  border: 1px solid #ddd;
  border-radius: 2px;
  padding: 0px;
}

.todo-empty {
  height: 40px;
  line-height: 40px;
  border: 1px solid #ddd;
  border-radius: 2px;
  padding-left: 5px;
  margin-top: 10px;
}
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  //display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
</style>